Every developer, indie hacker, or marketer eventually asks the same question: "How much traffic does that site actually get?" Maybe you're sizing up a competitor before building in their space. Maybe you found a cool tool and want to know if it's worth integrating. Maybe a client is bragging about their numbers and you want to sanity-check them. Whatever the reason, the answer usually lives behind a paywall — SimilarWeb, Semrush, and Ahrefs all gate this data behind subscriptions that run 100–100–